package com.atguigu.dao;

import com.atguigu.pojo.Member;

public interface MemberDao {
    // 添加会员     和第九天共用
    public void add(Member member);
    // 根据手机号查询会员信息（唯一）      和第九天共用
    public Member findByTelephone(String telephone);

    public Integer findMemberCountBeforeDate(String date);

    int getTodayNewMember(String today);

    int getTotalMember();

    int getThisWeekAndMonthNewMember(String weekMonday);
}
